Table 2.
Brodmann areas and corresponding neuroanatomical regions and lobes showing the 3 strongest activations in the sigma band (12–16 Hz) for consecutive 2-min intervals in baseline and recovery sleep, and the strongest differences between the two conditions (sorted according to t-values).
| Time interval (min) | Baseline | Recovery | Recovery minus Baseline |
|---|---|---|---|
| -2–0 | BA 4 (Precentral Gyrus; Frontal Lobe) | BA 7 (Precuneus; Parietal Lobe) | BA 19 (Fusiform Gyrus; Occipital Lobe) |
| BA 3 (Postcentral Gyrus; Parietal Lobe) | BA 19 (Cuneus; Occipital Lobe) | BA 18 (Lingual Gyrus; Occipital Lobe) | |
| BA 4 (Postcentral Gyrus; Frontal Lobe) | BA 19 (Precuneus; Parietal Lobe) | BA 19 (Lingual Gyrus; Occipital Lobe) | |
| 0–2 | BA 3 (Postcentral Gyrus; Parietal Lobe) | BA 4 (Precentral Gyrus; Frontal Lobe) | BA 9 (Middle Frontal Gyrus; Frontal Lobe) |
| BA 4 (Precentral Gyrus; Frontal Lobe) | BA 6 (Superior Frontal Gyrus; Frontal Lobe) | BA 9 (Superior Frontal Gyrus; Frontal Lobe) | |
| BA 6 (Precentral Gyrus; Frontal Lobe) | BA 6 (Medial Frontal Gyrus; Frontal Lobe) | BA 10 (Middle Frontal Gyrus; Frontal Lobe) | |
| 2–4 | BA 4 (Precentral Gyrus; Frontal Lobe) | BA 4 (Precentral Gyrus; Frontal Lobe) | BA 18 (Middle Occipital Gyrus; Occipital Lobe) |
| BA 3 (Postcentral Gyrus; Parietal Lobe) | BA 3 (Postcentral Gyrus; Parietal Lobe) | BA 17 (Cuneus; Occipital Lobe) | |
| BA 6 (Superior Frontal Gyrus; Frontal Lobe) | BA 6 (Superior Frontal Gyrus; Frontal Lobe) | BA 19 (Middle Occipital Gyrus; Occipital Lobe) | |
| 4–6 | BA 6 (Superior Frontal Gyrus; Frontal Lobe) | BA 3 (Postcentral Gyrus; Parietal Lobe) | BA 47* (Inferior Frontal Gyrus; Frontal Lobe) |
| BA 6 (Medial Frontal Gyrus; Frontal Lobe) | BA 4 (Precentral Gyrus; Frontal Lobe) | BA 11* (Inferior Frontal Gyrus; Frontal Lobe) | |
| BA 6 (Precentral Gyrus; Frontal Lobe) | BA 4 (Paracentral Lobe; Parietal Lobe) | BA 11* (Middle Frontal Gyrus; Frontal Lobe) | |
| 6–8 | BA 3 (Postcentral Gyrus; Parietal Lobe) | BA 3 (Postcentral Gyrus; Parietal Lobe) | BA 31* (Cingulate Gyrus; Limbic Lobe) |
| BA 4 (Precentral Gyrus; Frontal Lobe) | BA 4 (Precentral Gyrus; Frontal Lobe) | BA 23* (Posterior Cingulate; Limbic Lobe) | |
| BA 4 (Paracentral Lobe; Parietal Lobe) | BA 4 (Paracentral Lobe; Parietal Lobe) | BA 30* (Posterior Cingulate; Limbic Lobe) | |
| 8–10 | BA 6 (Superior Frontal Gyrus; Frontal Lobe) | BA 3 (Postcentral Gyrus; Parietal Lobe) | BA 6* (Precentral Gyrus; Frontal Lobe) |
| BA 6 (Medial Frontal Gyrus; Frontal Lobe) | BA 4 (Precentral Gyrus; Frontal Lobe) | BA 4* (Precentral Gyrus; Frontal Lobe) | |
| BA 3 (Postcentral Gyrus; Parietal Lobe) | BA 4 (Postcentral Gyrus; Frontal Lobe) | BA 18* (Cuneus; Occipital Lobe) |
*
P<0.05, areas that were less activated after sleep deprivation than during baseline. Significant differences appeared only in the last two 2-min intervals.